Note that 100% alcohol is no good. Use about 70%. The
reaction between alcohol and the fungus requires water
as a cofactor.
Jody.
> Here's the method that's worked for me:
> Disassemble the lens (how's that for an
> oversimplified "step 1"?)
> Remove the element(s) with fungus.
> Soak them in alcohol. Overnight is usually enough
> but if 24 hours isn't
> sufficient then you should give up, I suspect. This
> has removed fungus very
> effectively for me.
> I've never tried Ponds cold cream but the active
> ingredient, so to speak, in
> Ponds is mineral oil so I usually follow up the
> alcohol soak with a mineral oil
> treatment. Then I clean with Windex or similar
> window cleaner and finally I use
> a photography-specific lens cleaner made for
> multicoated lenses (purchased from
> the Filter Connection at http://www.2filter.com/).
> Reassemble lens very carefully and then see how it
> works.
>
> Mark
>
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